Me again!
Before geo I want to get the track width looking right, I have put a steel rule at 12 and 3 oclock on the tyre face this gives a gap between inner arch lip at top of 12mm rear and outside lip at front!!!!...
What is widest I should go to close the 12mm gap at back....the front lowness is not set yet, but again any advice...

I have 55 offset original turbo cup 1 9" and 7".....were C2 cups different offsets?

 

Seems like I may only be able to fit 10mm at rear, dont seem to be any available with studs, guess that means I will have to fit 10mm longer studs, at £5 a go!!!!!!!!!!!!!!!!

Advice please........

 

whats the wheel going to hit under compression - anything?

 

Dont think there is any thing, have you got spacers on your pinkies..

 

5mm all round...

 

What offset are yours, did you fit longer studs?
Whats the max thread you can loose?

 

the pinks are 55 F and R and the blacks are 47 52...

thats ok on standard nuts.

 

Low, I run 6mm front and 18mm rear spacers on my Cup 1's that are 7" + 8" respectively.

 

How can you get 18mm in????
I have mocked up with 12mm washers, and that looks tight, but mine are 9" rear.

Strega...good posting time....(I'm sad)

 

I run 7 & 9" Cup IIs with 15mm spacer on the rear...puts the rear wheels right out to the fender...

 

What offset are cup 2?

 

There's no immediate answer to that because there are a number of different wheels. The 993 versions were 7J or 8J on the front with ET55 and 9J on the rear with either ET70 or ET55 depending on what model they were fitted to. There may be other variations too for 968 etc. It's meaningless to talk about any wheel without having the full details of diameter, width AND offset.

You can cope with slightly wider spacers on the rear by dialling in a little more negative camber to tilt the top of the wheel inwards a little more.

Regards

Dave

 

mine are
front 7x17 ET55
rear 9x17 ET 55

and yes I run ~ -1.6* camber in the rear....

 

Daniel, have you got front spacers

 

No, just 15mm rears.

I am running 7x17 ET55s up front with 225x45x17 tires...with the car basically at RS ride height, the front fenders are close enough...